Comprehension Passage
Directions: Study the chart carefully and the questions that follow.
Four trainers A, B, C and D take classes in a month. The pie chart shows the total hours of classes taken by all four trainers.
Total hours = 60
Note : (1) They can take classes for 1 hour (Basic class). 2 hours (Regular class) and 3 hours (Advance class). No trainer can leave class before time and cant take class before time and cant take class for any extra time.
(2) D doesn't take any regular class. He will take either Basic or Advance class.
B and C take all three types of classes. Basic classes taken by B is equal to regular classes taken by him. C takes 4 regular classes in the month. The number of advance classes taken by B and C is the same. Find the minimum and maximum basic classes taken by C.
1
7, 19
2
11, 19
3
10,19
4
10,17
5
7, 17